Last year, the Environmental Protection Agency (EPA) completed the rollout of version 3 of its Energy Star for New Homes program, and more HVAC contractors became involved in this process to certify efficient homes.

No matter what success the Air Conditioning Contractors of America (ACCA) might find, president and CEO Paul Stalknecht isn’t one to let the group rest on its laurels. In fact, he’s on a mission to make sure ACCA is proactive in preparing for the future.

Gone are the days of the three basic refrigerants: R-12, R-22, and R-502. Today’s technicians need to be well-educated on all of the refrigerants they encounter.